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PIONEER NAT RES CO
PIONEER NAT RES CO. Institutional holdings reported to the SEC.

Institutional Holders (2016Q3)
Portfolio Summary: 741 Institutional holders with a total value of $31,584,789,567.
#
Manager Name
Shares
Value ($)
%
Options
Notes
151 Telemark Asset Management, LLC 150,000 27,848,000 0.09%
152 ASCEND CAPITAL, LLC 145,842 27,075,000 0.09%
153 US BANCORP \DE\ 144,029 26,739,000 0.08%
154 HIGHLAND CAPITAL MANAGEMENT LP 142,487 26,453,000 0.08%
155 Chevy Chase Trust Holdings, LLC 141,888 26,342,000 0.08%
156 Zweig-DiMenna Associates LLC 140,120 26,013,000 0.08%
157 Ashfield Capital Partners, LLC 139,585 25,914,000 0.08%
158 Alberta Investment Management Corp 139,400 25,880,000 0.08%
159 Ninety One UK Ltd 138,585 25,728,000 0.08%
160 AVIVA PLC 137,562 25,534,000 0.08%
161 AMP Capital Investors Ltd 137,657 25,516,000 0.08%
162 Columbus Hill Capital Management, L.P. 136,000 25,248,000 0.08%
163 Arosa Capital Management LP 135,000 25,063,000 0.08%
164 CRAMER ROSENTHAL MCGLYNN LLC 133,889 24,856,000 0.08%
165 RAYMOND JAMES & ASSOCIATES 133,364 24,759,000 0.08%
166 Laurion Capital Management LP 132,700 24,637,000 0.08% Call
167 SHEPHERD KAPLAN KROCHUK, LLC 132,637 24,624,000 0.08%
168 CUTLER GROUP LLC / CA 129,730 24,084,000 0.08%
169 MCKINLEY CAPITAL MANAGEMENT LLC 129,391 24,021,000 0.08%
170 BARCLAYS PLC 128,037 23,770,000 0.08%
171 National Pension Service 126,640 23,511,000 0.07%
172 IMPAX ASSET MANAGEMENT LLC 124,145 23,048,000 0.07%
173 Assured Investment Management LLC 123,000 22,835,000 0.07% Put
174 Assured Investment Management LLC 123,000 22,835,000 0.07% Call
175 CANADA LIFE ASSURANCE Co 120,933 22,426,000 0.07%
176 PEAK6 Group LLC 120,300 22,334,000 0.07% Call
177 Channing Capital Management, LLC 119,531 22,191,000 0.07%
178 AQR CAPITAL MANAGEMENT LLC 119,280 22,144,000 0.07%
179 State of Tennessee, Department of Treasury 119,210 22,131,000 0.07%
180 CAMBRIDGE TRUST CO 117,996 21,907,000 0.07%
181 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 117,401 21,795,000 0.07%
182 QS Investors, LLC 115,264 21,399,000 0.07%
183 D. E. Shaw & Co., Inc. 115,100 21,369,000 0.07% Call
184 VIKING FUND MANAGEMENT LLC 115,000 21,350,000 0.07%
185 BLAIR WILLIAM & CO/IL 113,457 21,063,000 0.07%
186 SEI INVESTMENTS CO 110,623 20,537,000 0.07%
187 MURPHY CAPITAL MANAGEMENT INC 109,400 20,310,000 0.06%
188 Amova Asset Management Americas, Inc. 105,400 19,562,000 0.06%
189 I.G. INVESTMENT MANAGEMENT, LTD. 101,113 18,772,000 0.06%
190 WOLVERINE TRADING LP /BD 101,000 18,721,000 0.06% Put
191 PARTNERS CAPITAL INVESTMENT GROUP (HOLDINGS), LLC 99,905 18,547,000 0.06%
192 LATIMER LIGHT CAPITAL, L.P. 97,884 18,172,000 0.06%
193 UNITED SERVICES AUTOMOBILE ASSOCIATION 97,083 18,023,000 0.06%
194 GABELLI FUNDS LLC 95,000 17,637,000 0.06%
195 CANADA PENSION PLAN INVESTMENT BOARD 93,687 17,393,000 0.06%
196 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 93,079 17,280,000 0.05%
197 KBC Group NV 90,801 16,857,000 0.05%
198 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 90,470 16,796,000 0.05%
199 PICTET ASSET MANAGEMENT LTD 87,126 16,175,000 0.05%
200 METROPOLITAN LIFE INSURANCE CO/NY 86,724 16,100,000 0.05%
Page 4 of 15

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.